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1001345313 = 3333781771
BaseRepresentation
bin111011101011110…
…101000100100001
32120210012121112110
4323223311010201
54022321022223
6243210145533
733546203043
oct7353650441
92523177473
101001345313
11474262611
1223b4222a9
1312c5bb627
1496dbba93
155cd99d93
hex3baf5121

1001345313 has 4 divisors (see below), whose sum is σ = 1335127088. Its totient is φ = 667563540.

The previous prime is 1001345309. The next prime is 1001345341. The reversal of 1001345313 is 3135431001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1001345313 - 22 = 1001345309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001345313.

It is not an unprimeable number, because it can be changed into a prime (1001345363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166890883 + ... + 166890888.

It is an arithmetic number, because the mean of its divisors is an integer number (333781772).

Almost surely, 21001345313 is an apocalyptic number.

It is an amenable number.

1001345313 is a deficient number, since it is larger than the sum of its proper divisors (333781775).

1001345313 is an equidigital number, since it uses as much as digits as its factorization.

1001345313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333781774.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1001345313 is about 31644.0407185934. The cubic root of 1001345313 is about 1000.4482367205.

Adding to 1001345313 its reverse (3135431001), we get a palindrome (4136776314).

The spelling of 1001345313 in words is "one billion, one million, three hundred forty-five thousand, three hundred thirteen".

Divisors: 1 3 333781771 1001345313